Home / 47,544.70-71,311.56-12,487.10

Finding the Fourth Proportional to 47,544.70, 71,311.56 and 12,487.10

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Solution

The fourth proportional to 47,544.70, 71,311.56 and 12,487.10 is: 18,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,544.70 : 71,311.56 = 12,487.10 : x
  2. Step 2: Convert to fraction form
    47,544.70/71,311.56 = 12,487.10/x
  3. Step 3: Cross multiply
    47,544.70x = 71,311.56 × 12,487.10
  4. Step 4: Simplify right side
    47,544.70x = 890,474,580.88
  5. Step 5: Solve for x
    x = 890,474,580.88/47,544.70
  6. Step 6: Final answer
    x = 18,729.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.